Home / 1,649,085.20-2,473,627.80-1,275,376.40

Finding the Fourth Proportional to 1,649,085.20, 2,473,627.80 and 1,275,376.40

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Solution

The fourth proportional to 1,649,085.20, 2,473,627.80 and 1,275,376.40 is: 1,913,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,085.20 : 2,473,627.80 = 1,275,376.40 : x
  2. Step 2: Convert to fraction form
    1,649,085.20/2,473,627.80 = 1,275,376.40/x
  3. Step 3: Cross multiply
    1,649,085.20x = 2,473,627.80 × 1,275,376.40
  4. Step 4: Simplify right side
    1,649,085.20x = 3,154,806,518,503.92
  5. Step 5: Solve for x
    x = 3,154,806,518,503.92/1,649,085.20
  6. Step 6: Final answer
    x = 1,913,064.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.